<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>

</head>

<body>

<table border>
  <tbody id="tbody">
    <tr>
      <td rowspan="0">a</td>
    </tr>
    <tr>
    </tr>
    <tr>
      <td>b</td>
    </tr>
  </tbody>
</table>


</body>
</html>
